GB642938A - Improvements in photographic projection printing apparatus - Google Patents
Improvements in photographic projection printing apparatusInfo
- Publication number
- GB642938A GB642938A GB172449A GB172449A GB642938A GB 642938 A GB642938 A GB 642938A GB 172449 A GB172449 A GB 172449A GB 172449 A GB172449 A GB 172449A GB 642938 A GB642938 A GB 642938A
- Authority
- GB
- United Kingdom
- Prior art keywords
- printing apparatus
- projection printing
- photographic projection
- photographic
- projection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B27/00—Photographic printing apparatus
- G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
- G03B27/326—Enlargers
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB172449A GB642938A (en) | 1945-10-23 | 1945-10-23 | Improvements in photographic projection printing apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB172449A GB642938A (en) | 1945-10-23 | 1945-10-23 | Improvements in photographic projection printing apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
GB642938A true GB642938A (en) | 1950-09-13 |
Family
ID=9726897
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB172449A Expired GB642938A (en) | 1945-10-23 | 1945-10-23 | Improvements in photographic projection printing apparatus |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB642938A (en) |
-
1945
- 1945-10-23 GB GB172449A patent/GB642938A/en not_active Expired
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